<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
  <h1>空指针异常展示页面</h1>
  异常对象：[[${exception}]] <br>
  异常消息：[[${exception.message}]]  <br>

  <a th:href="@{/}"></a>
</body>
</html>